i-mate JAMin vs LG GT540 Optimus

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    GT540 Optimus: 34.5 g lighter

    JAMin:
    150 g
    GT540 Optimus:
    115.5 g
  • Width

    GT540 Optimus: 3.5 mm narrower

    JAMin:
    58 mm
    GT540 Optimus:
    54.5 mm
  • Screen diagonal

    JAMin: 0.2 in smaller diagonal

    JAMin:
    2.8 in
    GT540 Optimus:
    3 in
  • Depth

    GT540 Optimus: 5.5 mm thinner

    JAMin:
    18.2 mm
    GT540 Optimus:
    12.7 mm
  • Release year

    JAMin:
    2006
    GT540 Optimus:
    2010

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. JAMin

    Height:
    108 mm
    Width:
    58 mm +3.5 mm versus GT540 Optimus
    Depth:
    18.2 mm +5.5 mm versus GT540 Optimus
  2. 2. GT540 Optimus

    Height:
    109 mm
    Width:
    54.5 mm
    Depth:
    12.7 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. JAMin

    150 g

    +34.5 g versus GT540 Optimus

  2. 2. GT540 Optimus

    115.5 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. JAMin

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. GT540 Optimus

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    26.8 cm²

GT540 Optimus has approximately 10.4% more rectangular screen area than JAMin.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

JAMin: Original memory entry

64 MB RAM · 128 MB ROM

GT540 Optimus: Original memory entry

139 MB · 156 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. JAMin

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/MMC · up to 2 GB

2. GT540 Optimus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. JAMin

    1200 mAh

  2. 2. GT540 Optimus

    1500 mAh

    +300 mAh versus JAMin

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. JAMin2. GT540 Optimus

Everyday essentials
Everyday essentials — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 109 Х 54.5 Х 12.7 mm
Weight
  • 150 g
  • 115.5 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 3" inch
Screen resolution
  • 240 x 320 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 139 MB
  • 156 MB RAM
Memory card support
  • SD/MMC
  • up to 2 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
Chipset
  • TI OMAP 850
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 26.8 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 38.8%
  • 45.1%
PPI /points per inch/
  • 143 PPI
  • 192 PPI
Camera and Video
Camera and Video — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Video
  • CIF
  • 480p@17fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Processor CPU
  • 200 MHz ARM926EJ-S
  • 600 MHz
General specs
General specs — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Release date
  • 2006
  • Q1
  • 2010
  • January
Colors
  • Stylish black
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 5 h 30 min (2G) / Up to 7 h 20 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB
Bluetooth
  • 2.0
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.93 W/kg (head) 0.63 W/kg (body)
Music and Audio
Music and Audio — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAMin, GT540 Optimus.
SpecificationJAMinGT540 Optimus
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • Sensors Accelerometer MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input Also known as LG GT540 Swift
  • LG Loop GT540